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migrationData.js
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92 lines (79 loc) · 1.6 KB
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let obj = [
{
key: 'Sample 1',
data: 'Data1'
},
{
key: 'Sample 1',
data: 'Data1'
},
{
key: 'Sample 2',
data: 'Data2'
},
{
key: 'Sample 1',
data: 'Data1'
},
{
key: 'Sample 3',
data: 'Data3'
},
{
key: 'Sample 4',
data: 'Data4'
},
]
let output = {}
obj.forEach((ele) => {
let key = ele.key
output[key] = []
})
obj.forEach((ele) => {
let key = ele.key
if (output.hasOwnProperty(key)) {
output[key] = [...output[key], ele]
}
})
const a = [1, 2, 3, [4, [5, 6]], 7, 8]
let arr = []
a.forEach((item) => {
if (Array.isArray(item)) {
console.log('item', item)
item.forEach((ele) => {
if (Array.isArray(ele)) {
console.log('ele', ele)
ele.forEach((k) => {
arr.push(k)
})
} else {
arr.push(ele)
}
})
} else {
arr.push(item)
}
})
console.log(arr)
// let output = {
// "Sample 1": [
// {
// key: 'Sample 1',
// data: 'Data1'
// },
// {
// key: 'Sample 1',
// data: 'Data1'
// }, {
// key: 'Sample 1',
// data: 'Data1'
// },
// {
// key: 'Sample 1',
// data: 'Data1'
// },
// ],
// "Sample 2": [],
// "Sample 3": [],
// "Sample 4": []
// }